Enrollment
1,910
California · 2024-25 NCES data
High school (grades 9-12) · Simi Valley, CA
Federal NCES profile for Simi Valley High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Simi Valley High earns 49/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
Simi Valley High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Simi Valley High ranks #4 of 5 high schools in Simi Valley, CA.
NCES ID 063684006268 Verify on NCES CCD record →
Enrollment
1,910
California · 2024-25 NCES data
Teachers (FTE)
82.0
Federal CCD staff survey
Students per teacher
23.3:1
vs 21.5:1 California avg
+8% vs state
Free-lunch eligible
25.6%
vs 55.5% California avg
-54% vs state
How Simi Valley High compares with California and U.S. medians
Slightly above state median
23.3:1 - 1.8 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Simi Valley High is a large high school in Simi Valley, California, enrolling 1,910 students.
Class loads run somewhat heavier than typical: 23.3:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 25.6% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 96% of state schools at 1,910 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 293 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #91.
Its student body is led by White (42%) and Hispanic or Latino (41%) (diversity index 65/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 382 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 21.0% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 3 expulsions at this campus for 2021-22.
Among Simi Valley's high schools, it stands alongside Royal High (1,835 students): Simi Valley High is larger than that campus by headcount and runs heavier classes (23.3:1 vs 20.6:1).
Simi Valley Unified also operates Royal High (1,835 students) and Valley View Middle (1,329 students) alongside Simi Valley High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Simi Valley High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.3:1 | ▲ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 25.6% | ▼ 54% | 55.5% | 51.7% |
| Enrollment | 1,910 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 41.9% of enrollment.
Simpson diversity index - at 64.5, Simi Valley High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Simi Valley Unified, which includes Simi Valley High.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Royal High | Similar size | Similar economic need | Lower S:T ratio |
| Valley View Middle | Smaller | Similar economic need | Higher S:T ratio |
| Hillside Middle | Smaller | Similar economic need | Higher S:T ratio |
| Santa Susana High | Smaller | Similar economic need | Similar S:T ratio |
| Sinaloa Middle | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Simi Valley High's own figures; each column derives from NCES Common Core of Data.
4 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Simi Valley High's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Simi Valley High has 1,910 students enrolled. It is a high school in Simi Valley, CA.
The student-teacher ratio at Simi Valley High is 23.3:1, which is 8% higher than the California average of 21.5:1 and 48% higher than the national average of 15.7:1.
25.6% of students at Simi Valley High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Simi Valley High is White at 41.9% of enrollment, in Simi Valley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.5/100.
Simi Valley High has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Simi Valley High ranks #4 of 5 high schools in Simi Valley, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Simi Valley on the city page.
Simi Valley High earns 49/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Simi Valley High, Simi Valley Unified also operates Royal High (1,835 students), Valley View Middle (1,329 students), and Hillside Middle (1,138 students). See the Simi Valley Unified district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Simi Valley High, Simi Valley CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/simi-valley-high-ca
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